Foldable knife



FIG. 1 is a perspective view of a foldable knife showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken line showing of the blade holder is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design of a foldable knife, as shown and described. 